Function TestBlockEndSentinel

deep_spec_test.go:159–177

Verifies: SYS-REQ-046 [boundary] blockEnd returns -1 when no matching closing bracket/brace found.

(t *testing.T)

// Verifies: SYS-REQ-046 [boundary]
// blockEnd returns -1 when no matching closing bracket/brace found.
func TestBlockEndSentinel(t *testing.T) {
	// Unclosed array
	end := blockEnd([]byte(`[1,2`), '[', ']')
	if end != -1 {
		t.Fatalf("blockEnd(unclosed array) = %d, want -1", end)
	}

	// Unclosed object
	end2 := blockEnd([]byte(`{"a":1`), '{', '}')
	if end2 != -1 {
		t.Fatalf("blockEnd(unclosed object) = %d, want -1", end2)
	}

	// Properly closed
	end3 := blockEnd([]byte(`[1,2]`), '[', ']')
	if end3 < 0 {
		t.Fatalf("blockEnd(closed array) = %d, want non-negative", end3)
	}
}

// =============================================================================
// Negative array index (SYS-REQ-047)